Commentary on Alex Byrne & David R. Hilbert (2003). Color realism and color science. BBS 26(1):3–21.
Physicalism without unknowable colors
Byrne & Hilbert (2003; henceforth B&H) do not adequately explain how it is that phenomenal colors are physical colors, as their physicalism claims. This explanation requires more characterization of the relationship between the epistemology and nature of color than B&H provide. With this characterization, we can see that a physicalist need not accept unknowable color facts, as B&H do.